| <!DOCTYPE html> |
| <meta charset="utf-8" /> |
| <meta viewport="width=device-width, initial-scale=1" /> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="/resources/testdriver.js"></script> |
| <script src="/resources/testdriver-vendor.js"></script> |
| <script type="module"> |
| import { |
| attachIframe, |
| getOppositeOrientation, |
| } from "./resources/orientation-utils.js"; |
| |
| promise_test(async (t) => { |
| await test_driver.bless("request full screen"); |
| await document.documentElement.requestFullscreen(); |
| screen.orientation.addEventListener( |
| "change", |
| async () => { |
| await screen.orientation.lock(getOppositeOrientation()); |
| }, |
| { once: true } |
| ); |
| await screen.orientation.lock(getOppositeOrientation()); |
| }, "Re-locking the screen orientation after a change event fires must not abort"); |
| |
| promise_test(async (t) => { |
| await test_driver.bless("request full screen"); |
| await document.documentElement.requestFullscreen(); |
| screen.orientation.onchange = async () => { |
| screen.orientation.onchange = null; |
| screen.orientation.unlock(); |
| }; |
| await screen.orientation.lock(getOppositeOrientation()); |
| }, "Unlocking the screen orientation after a change event must not abort"); |
| </script> |
